Question: An instrument is set over point A with a 5 . 1 8 f t . H . I. A vertical angle of

An instrument is set over point "A" with a 5.18ft. H.I. A vertical angle of -935'17'' and a slope distance of 253.86ft. were taken to a rod 5.17ft. above point "B". The elevation of point "B" is 135.78ft. What is the elevation of point "A"?(Draw a sketch to support your answer).
A total station is set up over point "BM 1" and a zenith angle of 8445'38'' to the top of a radio tower. The horizontal distance from "BM 1" to the tower is 347.68 feet. The H.I. of the total station is 5.16 feet and the elevation of "BM 1" is 115.98 feet. What is the elevation at the top of the tower? (Draw a sketch below to support your answer)
An instrument is set over point " A " with a 5 .

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